Trail Running calendar near Castaic 2026-2027

A 5k trail run at Gypsum Canyon Wilderness on June 24, 2026 over fire roads and single track with about 350 ft of elevation gain. One aid station at mile 2.2 and a cupless race policy.

A weekend camping and trail event in Pearblossom, CA that raises funds for Chingonas on the Run. Participants attempt a six hour loop challenge on singletrack around Mount Hillyer with aid at a central basecamp.

A community July 4 event in Newhall Park featuring a flat, paved 5K along the parade route, a Kid K, and a Masters Mile Walk, with shirts, medals, an expo, and awards benefiting local high school cross-country programs.

Two trail races at Elings Park in Santa Barbara on July 4, 2026 featuring a 5K and a 2K kids run that adults may enter; registration fees are $40 and $20 respectively.

A 5k uphill race on the slopes of Mt. Baldy Resort that climbs about 1,500 feet to the Top of the Notch, with a finish area featuring a BBQ, bar, and live music and lift access back down for bib holders.

Valley Crest Trails returns July 12, 2026 in Tarzana, Los Angeles, with a half marathon, a new two-person half marathon relay, 10K and 5K on the exposed Dirt Mulholland fire road featuring rolling climbs and a fast downhill finish.

Into the Wild is a 5k trail run at Saddleback Wilderness on July 15, 2026, over fire roads and single track with 300 ft of elevation gain. Entry is limited to 150 runners and there is no race day registration.

Harding Hustle is a trail running event in Cleveland National Forest offering 50K, 30K and 15K on the Harding Truck Trail. Courses include significant elevation gain, aid stations, shuttle access, and hot July conditions.

Tough Mugu is a coastal mountain trail running event at Point Mugu State Park on July 18, 2026 offering a 25k and shorter course options. The event includes chip timed results, a finisher medal and race tee, and a cash prize for the 25k pod..

Multi-distance trail race in Griffith Park with 5k, 10k, 15k and half marathon options on a marked, hard-packed dirt course; includes medals, free photos, aid station and free parking.

A multi-distance event at Whittier Narrows on July 19, 2026 offering 5k, 10k, 15k and a half marathon on marked out and back loops, with an aid station, medals, free photos and posted results.

Aztlan XC Classic is a 5K event in Elysian Park, Los Angeles on July 25, 2026, with youth and adult race categories and differing registration options. Proceeds support the Aztlan Athletics Foundation's camps and scholarships.

An evening trail event in Pasadena's Lower Arroyo Park offering 6K and 12K routes with chip timing and aid stations. The finish includes tacos and drinks and runners receive a commemorative shirt and wooden medal.

A trail running event at Malibu Creek State Park offering a 50k (about 29.4 miles) and a 25k (about 14.8 miles). Fully stocked aid stations, a $3,500 50k prize purse, finishers medals, post race food and a beer garden.

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

Dirt Circus Los Angeles is a one day community run and festival on August 29, 2026 at A Snail's Pace Running Shop in Chino Hills. The event features a social group run on nearby trails, an expo with brand booths, and a raffle.

A community 3 mile fun run in Norwalk on September 5, 2026, organized by Cerritos High School alumni to support the school and honor local Dairy Valley history. In-person and virtual options are available.

The 61st Mt Baldy Run to the Top on September 7, 2026 is a fundraising mountain trail race in the Angeles National Forest covering about 7 miles with 4,000 feet of ascent to the 10,064 foot summit, with proceeds aiding local services.

A Stadion 5 km obstacle race at Angel Stadium of Anaheim on September 12, 2026, featuring 20 obstacles, a kids race and spectator access inside the ballpark. Ticketed entries and race day services are listed for participants and visitors.

An evening trail event in Griffith Park with 10 mile relays for teams of 2 or 4, a 5K solo race, a 1 mile kid run, and a free agent leg, on scenic, well marked courses with chip timing and on-course aid.